08ù 
Dr. C. Horrsnua, Master of the Royal Mint, Utrecht, and to Fil. 
Lie. G. Kart Armsrröm, Upsala. 
In the Tables, /7 represents the field strength in gauss, Rthe Haun - 
coefficient in ¢. @. s. units, wr the resistance in ohms at the absolute 
temperature 7, and w, the resistance at 0° C. 
Alloy IL contained 10.7 atomic percentages of silver. The thick- 
ness of the plate was 0.049 mm. 
TABLE XVI. 
HALL effect for (Au— Ag). II | 
B 200° KE F= 90° ke 
H = erf ma 
RH | —Rx104 ||) RH | —Rx104 
8250 5.25 6.36 & |. 4.26: | 2 Site 
9360 us = 4.96 5.31 
9750 6.25 6.41 SOS a 2 
10210 | _ 6.51 Gide 1711 15:45 NT Bora 
| w=8.06x 10-4 n | w=5.43x 10-40 
pr et | 6d 
vy | Wo 
| U 
Alloy III contained 80 atomic percentages of Ag. The plate was 
0.078 mm. thick. 
| 
HALL effect for (4u—Ag) IF 
TABLE XVII. 
T = 290° K. T = 90° K. 
H RH —Rx0 | H RH | —Rx108 
| | 
| | 
= i = == See = — = — 
8250 5.03 6.10 || 9065 4.26 4.70 
| 9360 5.70 6.09 9750 4.55 4.67 
10270 | 6.18 6.02 10270 4,83 4.70 
ee ee. | al 
| et a | w=7.71xl04+0 
| 
0 ee : ) 2 = 0.925 
0 | Wy 
